Explore: Number Puzzles.

puzzle. There are different genres of puzzles, such as crossword puzzles, word-search puzzles, number puzzles, relational puzzles, and logic puzzles.

a puzzle, the solver must find a solution that satisfies the given conditions. Mathematical puzzles require mathematics to solve them. Logic puzzles are

program to rapidly produce unique puzzles. Number puzzles appeared in newspapers in the late 19th century, when French puzzle setters began experimenting with

The 15 puzzle (also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square and more) is a sliding puzzle. It has 15 square tiles numbered 1 to 15

portion of a picture, which is completed by solving the puzzle. In the 18th century, jigsaw puzzles were created by painting a picture on a flat, rectangular

three picture grid puzzles in Japan under the name of "Window Art Puzzles". Ishida showed her puzzles to James Dalgety, a puzzle collector in the United

Puzzles are often one of several standard sizes. For example, many weekday newspaper puzzles (such as the American New York Times crossword puzzle) are

Disentanglement puzzles (also called entanglement puzzles, tanglement puzzles, tavern puzzles or topological puzzles) are a type or group of mechanical puzzle that

tour puzzles, a sliding block puzzle prohibits lifting any pieces off the board. This property separates sliding puzzles from rearrangement puzzles. Hence

aforementioned laying puzzles Tangram and "Anker-puzzles" are all examples of this type of puzzle. Furthermore, problems in which a number of pieces have to